Date of Joining in NIT Andhra Pradesh : 11/12/2019
Designation: Associate Professor
Post Ph.D. Teaching Experience: 12 years
Research Areas of Specialization:
 Generalized inverses of matrices and operators
 Monotonicity of finite and infinite dimensional operators
 Matrix splittings and convergence of iterative methods
 Indefinite inner product spaces
Educational Qualifications:
 Ph.D. (January 2004 July 2008): Indian Institute of Technology Madras. Thesis title: Nonnegative MoorePenrose Inverses of Operators between Hilbert Spaces. Supervisor : Prof. K.C. Sivakumar.
 M.Sc. (20002002): University of Hyderabad
 B.Sc. (19972000): Silver Jubilee Government Degree College, Kurnool, S.K. University.
Professional Experience:
 Associate Professor (11th December, 2019  Till date): School of Sciences, NIT Andhra Pradesh, Tadepalligudem .
 Assistant Professor GradeI (18th May, 2012  10th December, 2019): Department of Mathematics, NIT Warangal .
 Assistant Professor GradeI (September 2008  May 2012): Department of Mathematics, BITS Pilani Hyderabad campus.
 Lecturer (Jan 2008  Aug 2008): SSN Engineering College, Chennai.
 Teaching Assistant (Jan 2004  Dec 2007): IIT Madras .
 Lecturer (Aug 2002  Dec 2003): Medak College of Eng. and Tech., Siddipet .
Courses Taught:
PG Courses:
 Real Analysis (3 times)
 Linear Algebra (4 times)
 Topology (3times)
 Measure and Integration (4 times)
 Functional Analysis (4 times)
 Algebra I (Groups and Rings, 2 times)
 Algebra II (Vector spaces, Modules, Fields, 2 times)
UG Courses at NITW:
 Mathematics I (Matrix algebra, Differential calculus, Differential equations)
 Mathematics II (Integral calculus, Vector calculus, Laplace transforms)
 Complex variables and special functions
 Mathemaetics IV (Probability and Statistics, Numerical methods, Series solutions of differential equations)
UG Courses at BITS Hyderabad:
 Calculus
 Linear Algebra and Complex Analysis
 Differential equations
Significant Research Publications:
K. Appireddy and T. Kurmayya, Comparison results for Proper double splitting of Rectangular matrices, Filomat, Vol. 32, no. 6, 22732281, 2018.
K. Appi Reddy, T. Kurmayya and K.C. Sivakumar, Group Inverse Extensions of Certain Mmatrix properties, Electronic Journal of Linear Algebra, 31, 686705, November 2016.
T. Kurmayya and G. Ramesh, Cone nonnegativity of MoorePenrose inverses of unbounded gram operators, Annals of Functional Analysis , 7(2), 338347, 2016.
K. Appireddy and T. Kurmayya, {T,S} Splittings of Rectangular Matrices Revisited, International Journal of Pure and Applied Mathematics", Vol.108(4), 909919, 2016.
K. Appi Reddy and T. Kurmayya, MoorePenrose inverses of Gram matrices leaving a cone invariant in an indefinite innerproduct space, Special Matrices, 3, 155162, 2015.
K. Kamaraj ,T. Kurmayya and K.C. Sivakumar, On characterizations of Nonnegative MoorePenrose inverses of Hilbert Space operators, The Journal of Analysis; 16, 1118, 2008.
T.Kurmayya and K.C. Sivakumar, MoorePenrose Inverse of a Gram Matrix and Its Nonnegativity, Journal of Optimization Theory and Appl. , 139, 201207, 2008.
T.Kurmayya and K.C. Sivakumar, positive splittings of matrices and their nonnegative moorepenrose inverses, Discussiones Mathematicae General Algebra and Applications 28, 227235, 2008.
T.Kurmayya and K.C. Sivakumar, Nonnegative MoorePenrose inverses of operators over Hilbert spaces; Positivity 12, 475481, 2008.
T.Kurmayya and K.C. Sivakumar; Nonnegative Moore Penrose inverses of Gram operators; Linear Algebra and its Applications, 422 , 471476 , 2007.
Research Supervision:
Ph.D. Guidance:
 K. Appi Reddy (July 2013  Dec 2017) : Completed with the Institute Fellowship at NIT Warangal.
Thesis Title: "Certain Results on Nonnegative Generalized Inverses and Splittings of Matrices".
Archana Bhat (July 2018Till date): On going with the support of DST Inspire Fellowship at NIT Warangal. Research Problem: Cone nonnegativity of generalized inverses of bounded and unbounded linear operators
 Ch. MacharaVerriyya ( Jan 2020Till date): On going part time Ph.D. scholar at NIT Andhra Pradesh. Research Area: Matrix Analysis
Post Graduate Thesis supervision:
Sl. No.  Name of student  Title of the dissertation  Year of Completion 

 N. Anjaneyulu  Study on Positive definite matrices  2013 

 A. Srinivas  Computational methods of MoorePenrose Inverrse of a matrix  2013 

 V. Ayyappa  Existence and construction of Generalized inverses  2013 

 K. Daivakaruna  Characterization of EP matrices and weighted EP matrices  2014 

 B. Rebecca  Inverse Positivity of Singular and non singular Mmatrices  2014 

 Sandeep Nayak  Some Applications of partial orders to iterative methods for rectangular linear systems  2014 

 B. Mahesh  MoorePenrose Inverse positivity of Interval Matrices.  2015 

 T. Tejaswini  Cone iterative methods for least square solutions of minimal norm  2016 

 Sachin Kumar  {T,S} splitting of rectangular matrices  2016 
10.  Prakash Nainwal  Study of generalized eigenvector and canonical form of nilpotent operators  2017 
11.  Pranavkumar  Study on completely positive matrices and some open problems  2017 
12.  Alekhya Reddy  Convergence and coparison theorems for double splittings of matrices  2017 
13.  Mr.Prabir Barman  Decomposition of Symplectic normal matrices  2018 
14.  Mr. Praveemkumar Yadav  Shape of the numerical range of 3x3 normal matrix  2018 
15.  Mr .Bhupendra Singh  Traces of Matrix Products  2018 
16.  Mr. Sagar Saha  On directional derivatives of trace functionals  2019 
17.  Mr. Himanshu Verma  The Laplacian Spectrum of a Graph  2019 
18.  Mr. Bixapathi  On Continuity of Generalized Inverses  2019 
B.Tech. Projects Supervision:
Sl.No.  Student Name  Title of the Project 
1  G.ROHITH  2008A7PS059H  SINGULAR VALUE DECOMPOSITION 
2  H.PHANI KIRAN 2008C6PS346H  GENERALIZED INVERSES OF LINEAR TRANSFORMATIONS 
3  V.VAMSI SUBBA REDDY 2008A7PS091H  PRIME NUMBERS AND THEIR APPLICATIONS 
4  Vijay Narayan  2008B4A4418H  Applications of generalized inverses 
5  VAMARAJU JANAKI 2008B4A2463H  CONCEPTS IN LINEAR ALGEBRA USING BIT MATRICES 
6  KETINENI SRIMAHESH2008B4A3395H  APPLICATIONS OF SYSTEM OF LINEAR EQUATIONS 
7  MNV MOHAN RAO2009B4A4458H  BASICS IN CRYPTOGRAPHY 
8  MANASA NELAKUDITI2009B4A3534H  GENERALIZED INVERSES 
9  S SRI RAM2009B4A7476H  STUDY OF BASIC CONCEPTS IN NUMBER THEORY 
10  JAI KALYAN CHAKRAVARTHY (2008A3PS165H)  GENERALIZED INVERSES AND THEIR APPLICATIONS 
Professional Training received:
Sl. No.  Name of Training  Organization where training was received  Year  Duration 
1  National Workshop on Matrices and Applications  ISI  SQC & OR Unit, Hyderabad  2006  8 days 
2  Instructional Conference on Singular Value Decomposition and its applications  ISI  SQC & OR Unit, Hyderabad  2007  5 days 
3  Workshop on Recent Trends in Partial Differential Equations and applications  University of Hyderabad  2012  2 days 
4  Workshop on Introduction to Research Methodologes  NIT Warangal organized by IIT Bombay  2012  10 days 
5  Workshop on Teaching and Learning for Excellence  NIT Warangal  2012  3 days 
6  Workshop National Programme on Technology Enhanced Learning  NIT Warangal  2012  2 days 
7  Instructional school for lecturers on Functional Analysis  ISI Bangalore  2013  5 days 
8  International workshop on Operator Theory and its Applications  IISc Bangalore  2013  5 days 
9  Workshop on Functional Analysis & Applications  IIT Hyderabad  2014  2 days 
10  Workshop on Numerical Linear Algebra and its Applications  BITS Hyderabad  2015  3 days 
Contributory Talks in Conferences/Workshops:
 Nonnegative MoorePenrose inverses over Hilbert lattices: National Symposium on Mathematical Methods and Applications organized by IIT  Madras, Chennai , December 22, 2006.
 Nonnegative MoorePenrose inverses over Hilbert lattices: CMASM, the Fourteenth Inter national Conference of the FIM , IIT Madras, Chennai, 6th 8th , January 2007.
 Nonnegative Moore–Penrose inverses of Gram operators: International Conference on Functional Analysis and Applications, Scott Christian College, Nagercoil, Kanyakumari during November 28 December 1st, 2007.
 Cone nonnegativity of MoorePenrose inverses of unbounded gram operators: International Conference on Linear Algebra \& its Applications, Department of Statistics, Manipal University during December 1820, 2014.
 Group inverse extensions of certain Mmatrix properties: International Conference on Mathematical Analysis and its Applications, Department of Mathematics, IIT Roorkee, November 28December 02, 2016.
 Delivered 1 hour lecture in CMES2013 organized by Department of Mathematics , NIT Warangal, 25th Oct 2013.
 Delivered 1 hour lecture in MMNTES2018 organized by Department of Mathematics, NIT Warangal, 913^{th},Oct, 2018.
 Delivered 3 hours lectures in MCNTES2018 organized by Department of Mathematics, NIT Warangal, 29^{th} Oct2^{nd} Nov, 2018.
Invited Talks at Various Places:
 Banch fixed point theorem and its applications, STTP on Recent trends in Applied Mathematics, Department of Mathematics, VNIT Nagpur, 9th May, 2013.
 Singular value Decomposition and its applications, STTP on Recent trends in Applied Mathematics, Department of Mathematics, VNIT Nagpur, 9th May, 2013.
 Computational methods of Generalized inverses, National Workshop on Computational methods in Engineering and Science, NIT Warangal, 25th October, 2013.
 PerronFrobenius theorem and its applications, Current trends in Applied Mathematics: Applications and future aspects, NIT Raipur, 10th July, 2015.
 Resource person for FDP “Workshop on Linear Algebra”, Nagarjuna Govt. Degree College(A), Nalgonda, 27^{th} Oct, 2018.
 Delivered Invited talk in NCMCA2018, Women’s Christian College, Chennai, 25^{th} Jan, 2018.
Achievements and Awards:
 Received the R.S. Varma Memorial Best Paper Award2007, in the International Conference on Computational, Mathematical and Statistical Methods during 6 8, Jan 2007, organized by IITMadras and Stella Maris College, Chennai.
 Senior Research Fellowship, Indian Institute of Technology, Madras, Jan 2006  Dec 2007.
 Junior Research Fellowship, Indian Institute of Technology, Madras, Jan 2004 Dec 2005.
 Secured 96.65 Percentile, all India 44th Rank) in GATE 2003.
 Secured all india 174th rank in GATE 2002.
 Won SilvernMedal in the Mathematical Olympiad 2001 organized by Andhra Pradesh Association of Mathematics Teachers.
 Got All India 7th rank in University of Hyderabad M.Sc. entrance exam.
 Received N.C.C. (National Cadet Core) Army wing B & C certificates for well performance.
 Selected as Assistant Professor in VIT vellore, SSN Eng. College, BITS Hyderabad, NIT Rourkela and in NIT Warangal
Additional Responsibilities:
 Head, School of Sciences, NIT Andhra Pradesh (Jan 2020till today)
 Time table Incharge, Department of Mathematics, NIT Warangal (Jan 2018  Dec 2019)
 Hostel Warden from May 2014 Nov 2016 in NIT Warangal.
 Member in the exam schedule committee from Jun 2009Aug 2010 in BITS Hyderabad.
 Faculty Incharge for Project course allotment from July 2010 to May 2012.
 Faculty coordinator for the practice school program in summer 2011.
 Member in the Admissions, Course Registration and Counselling Committees.
 Course coordinator for MathematicsI multisection course in 2011.
 DAC UG and DAC PG&R member in NIT Warangal
 Reviewer for American Mathematical Society reviews
 Member in the Board of studies in Mathematics, Osmania University (UCE), Hyderabad from 2014 to 2016
 Developed and delivered Three lectures for “A Refresher course on calculus” as a part of National Resource Centre (NRC) in Mathematics, NIT Warangal,2018.
 One of the Instructors for GATE coaching classes conducted by SC/ST cell in NIT Warangal.
 Teacher observer in MTTS Programme 2019 conducted at IISER, Thiruvananthapuram.